<html>
<head>
<title>Prueba Div Ocultos</title>
<script>
function buttonList(){
	var sectionOrig = document.getElementById("contactsListSection");
	var sectionDest = document.getElementById("contactsUpdateSection");

	sectionOrig.style.display="none";
	sectionDest.style.display="block";

	return true;
}
</script>
</head>
<body>
<div id="contactsListSection">
	<input type="button" value="List" onclick="buttonList();"></input>
</div>
<div id="contactsUpdateSection" style="display: none;">
	<input type="button" value="Update" onclick="#"></input>
</div>
<div id="contactsRemoveSection" style="display: none;">
	<input type="button" value="Remove" onclick="#"></input>
</div>
</body>
</html>
